The Microfinance Information eXchange (MIX) has released the 2007 Global 100: Rankings of Microfinance Institutions report. It is a ranking of the top performing microfinance institutions (MFIs) throughout the developing world, based on data from MIX's publicly available database. 
The composite rankings are based on a number of criteria and were developed in an effort to present the leading, most well-rounded institutions.
The MIX Global 100 highlights leading microfinance institutions through the lens of various aspects of performance. The MIX Global 100 by category offers a snapshot of MFI results, identifying the leading performers in each of seven categories within outreach, scale, profitability, efficiency, productivity and portfolio quality. In order to widen the lens of financial service provision, outreach and scale tables include separate rankings for deposit mobilizing institutions. This year’s rankings of efficiency also use a new measure to minimize the influence of loan size and neutralize differences across country environments in ranking MFI transaction costs.
The 2007 MIX Global 100 surveyed 820 institutions, an increase of nearly 40 percent over the 2006 sample set. Leading performers were drawn from a diverse sample of MFI that served over 53 million borrows with over USD 24 billion in loans and held USD 15 billion in deposits from 64 million microfinance clients.

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